AUD goes up - market goes down, lower earnings for Oz companies. AUD goes down - market goes down, AUD down because commodities down or risk to global growth increased. Overseas market goes up - market goes down because AUD goes up on increased risk appetite. Overseas market goes down - market goes down, gotta follow the leads from overseas. Commodity prices go up - market goes down, probably because people think the AUD will now go up. Commodity prices goes down - market goes down, gotta follow those leads from overseas.